pls,
You won't get an null ActionForm in your Action, you
will just get an empty one. I think because you are
testing for null, you are always populating it from
the DB.
Regards,
Richard
--- pls <[EMAIL PROTECTED]> wrote:
> Hi Richard,
>
> I thought this one would work for sure.. but no
> dice.. the values still
> reappear (except for the multiboxes whcih are
> cleared in the reset() method)
> after
> request.getSession().removeAttribute("MBForm"); and
> a forward to the
> next action.
>
>
> "Richard Yee" <[EMAIL PROTECTED]> wrote in message
>
news:[EMAIL PROTECTED]
> > pls,
> > If the form exists in session scope, then you need
> to
> > remove it from session using the
> > request.getSession.removeAttribute(<formName>)
> method
> > call. Otherwise, when the JSP page is executed,
> struts
> > will use the form from the session.
> >
> > Regards,
> >
> > Richard
> >
> > --- pls <[EMAIL PROTECTED]> wrote:
> > > that won't change the form as it exists in
> session
> > > scope, only temporarily
> > > in the action.. thanks anyways
> > >
> > > "Kiran Kumar" <[EMAIL PROTECTED]> wrote in
> message
> > >
> >
>
news:[EMAIL PROTECTED]
> > > > just a guess in ur execute method try this
> > > >
> > > > form = null;
> > > >
> > > >
> > > >
> > > > --- pls <[EMAIL PROTECTED]> wrote:
> > > > > thanks for the suggestion Amol, but that
> returns
> > > an
> > > > > IllegalStateException..
> > > > > thanks for trying anyways.
> > > > >
> > > > >
> > > > > "Amol Yadwadkar" <[EMAIL PROTECTED]> wrote
> in
> > > > > message
> > > > >
> > > >
> > >
> >
>
news:[EMAIL PROTECTED]
> > > > > > Hi,
> > > > > > I havn't tried this but just try this in
> the
> > > > > execute method :--
> > > > > > public ActionForward execute(ActionMapping
> > > > > mapping, ActionForm form,
> > > > > > HttpServletRequest req,
> HttpServletResponse
> > > res) {
> > > > > > ........
> > > > > > ...
> > > > > > ...
> > > > > > mapping.setAttribute(null);
> > > > > >
> > > > > > }
> > > > > >
> > > > > > Hope this may help you!!!
> > > > > > --Amol
> > > > > >
> > > > > > -----Original Message-----
> > > > > > From: pls [mailto:[EMAIL PROTECTED]
> > > > > > Sent: Friday, May 14, 2004 10:03 AM
> > > > > > To: [EMAIL PROTECTED]
> > > > > > Subject: How to set an ActionForm to null
> > > > > >
> > > > > >
> > > > > > hi there,
> > > > > >
> > > > > > i am trying to set an actionform to null
> after
> > > > > inserting it's properties
> > > > > > into a DB.
> > > > > > then, control is forwarded to a different
> > > action
> > > > > and the info is read from
> > > > > > the DB back into the actionform for
> display by
> > > a
> > > > > JSP.
> > > > > >
> > > > > > the only part that is giving me trouble is
> > > with
> > > > > explicitly setting my
> > > > > > actionform "MBForm" to null. After
> several
> > > form
> > > > > submissions and a DB
> > > > > > update, the first Action attempts to clear
> the
> > > > > values in MBForm:
> > > > > >
> > > > > >
> > > request.getSession().setAttribute("MBForm",
> > > > > null);
> > > > > >
> > > > > > after this, control is forwarded to the
> second
> > > > > Action which handles the
> > > > > > display. it checks to see if MBForm is
> null
> > > and,
> > > > > if it is, it fills
> > > > > MBForm
> > > > > > from a DB. in between these two actions,
> the
> > > > > controller servlet is
> > > > > > automatically refilling the MBForm with
> the
> > > values
> > > > > that I just nullified..
> > > > > > the only bean property that stays empty is
> > > myHash
> > > > > which represents several
> > > > > > groups of multiboxes. i believe this is a
> > > result
> > > > > of the MBForm reset()
> > > > > > method which contains the following:
> > > > > >
> > > > > > myHash.put(multiBoxCategories, new
> > > > > Integer[0]); //resets several
> > > > > > groups of multiboxes
> > > > > >
> > > > > > setting other properties to null in the
> > > reset()
> > > > > method is not the solution
> > > > > > as it wipes the value out after every (but
> > > somehow
> > > > > it doesn't do the same
> > > > > > thing to the multiboxes?!?)
> > > > > >
> > > > > > let me know if this enough background for
> you
> > > to
> > > > > help me diagnose the
> > > > > > problem.. any discussion of reset() or is
> > > > > welcome.. thanks
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>
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